oj.uz

Submission #493232

# Submission time Handle Problem Language Result Execution time Memory
493232 2021-12-10T13:19:47 Z blue Toys (CEOI18_toy) C++17
79 / 100
 5000 ms 67744 KB 
#include <iostream>
#include <vector>
#include <set>
#include <algorithm>
#include <map>
using namespace std;

#define sz(x) (int(x.size()))
using vi = vector<int>;

// map< int, vector<int> > res;

vi sf;

long long n;

vector<int> res[40'000]; //i*i <= n
vector<int> res2[40'000]; //i*i >= n, access n/i.

vi solved(1+40'000, 0);
vi solved2(1+40'000, 0);

vector<int> factors[40'000];
vector<int> factors2[40'000];

vector<int>& get_res(long long u)
{
    if(u*u <= n) return res[u];
    else return res2[n/u];
}

vector<int>& get_factors(long long u)
{
    if(u*u <= n) return factors[u];
    else return factors2[n/u];
}

int& get_solved(long long u)
{
    if(u*u <= n) return solved[u];
    else return solved2[n/u];
}



void solve(long long i)
{
    // cerr << "solve " << i << '\n';
    // if(solved[i]) return;
    // solved[i] = 1;
    if(i*i <= n)
    {
        if(solved[i]) return;
        else solved[i] = 1;
    }
    else
    {
        if(solved2[n/i]) return;
        else solved2[n/i] = 1;
    }
    // cerr << "\n\n\n";
    // cerr << "solve:  " << i << '\n';
    // cerr << "cond = " << int(res.find(i) != res.end()) << '\n';
    // if(res.find(i) != res.end()) return;
    // cerr << "entered\n";

    vi ans(1, i-1);
    // for(int j = 2; j < i && j*j <= i; j++)

    // cerr << "#\n";
    // for(int y: sf) cerr << "y = " << y << '\n';
    // cerr << "#2\n";

    for(int j: get_factors(i))
    {
        // cerr << "j = " << j << '\n';
        if(j >= i || j*j > i) break;
            // cerr << i << " -> " << j << '\n';
        long long u = j;
        long long v = i/j;
        solve(u);
        solve(v);
        for(int a: (u*u <= n ? res[u] : res2[n/u]))
            for(int b: (v*v <= n ? res[v] : res2[n/v]))
                ans.push_back(a+b);
    }
    sort(ans.begin(), ans.end());
    ans.erase(unique(ans.begin(), ans.end()), ans.end());

    // for(int a: ans) cerr << "a = " << a << '\n';

    if(i*i <= n)
    {
        // cerr << "case 1\n";
        res[i] = ans;
    }
    else
    {
        // cerr << "case 2\n";
        res2[n/i] = ans;
    }
}

int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);

    cin >> n;

    if(n == 1)
    {
        cout << "1\n 0\n";
        return 0;
    }



    for(int i = 2; i <= n; i++)
    {
        // cerr << i << " " << n%i << ' ' << int(n%i == 0) << '\n';
        if(n % i == 0)
            sf.push_back(i);
    }

    for(int a: sf)
        for(int b: sf)
            if(a < b && b%a==0)
                get_factors(b).push_back(a);


    solve(n);
    vi ans = res2[1];

    // cerr << "sf init = " ;
    // for(int q: sf) cerr << q << " ";
    // cerr << "\n";

    cout << sz(ans) << '\n';
    for(int r: ans) cout << r << ' ';
    cout << '\n';
}

Subtask #1
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4300 KB Output is correct
2 Correct 2 ms 4300 KB Output is correct
3 Correct 2 ms 4300 KB Output is correct
4 Correct 2 ms 4300 KB Output is correct
5 Correct 2 ms 4300 KB Output is correct
6 Correct 2 ms 4300 KB Output is correct
7 Correct 3 ms 4300 KB Output is correct
8 Correct 2 ms 4300 KB Output is correct
9 Correct 3 ms 4300 KB Output is correct
10 Correct 2 ms 4300 KB Output is correct
11 Correct 2 ms 4300 KB Output is correct
12 Correct 2 ms 4300 KB Output is correct
13 Correct 2 ms 4300 KB Output is correct
14 Correct 2 ms 4300 KB Output is correct
15 Correct 2 ms 4300 KB Output is correct
16 Correct 2 ms 4300 KB Output is correct
17 Correct 2 ms 4300 KB Output is correct
18 Correct 2 ms 4288 KB Output is correct
19 Correct 2 ms 4300 KB Output is correct
20 Correct 2 ms 4300 KB Output is correct
21 Correct 2 ms 4300 KB Output is correct
22 Correct 2 ms 4300 KB Output is correct
23 Correct 2 ms 4300 KB Output is correct
24 Correct 2 ms 4300 KB Output is correct
25 Correct 2 ms 4300 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4300 KB Output is correct
2 Correct 2 ms 4300 KB Output is correct
3 Correct 2 ms 4300 KB Output is correct
4 Correct 2 ms 4300 KB Output is correct
5 Correct 2 ms 4300 KB Output is correct
6 Correct 2 ms 4300 KB Output is correct
7 Correct 3 ms 4300 KB Output is correct
8 Correct 2 ms 4300 KB Output is correct
9 Correct 3 ms 4300 KB Output is correct
10 Correct 2 ms 4300 KB Output is correct
11 Correct 2 ms 4300 KB Output is correct
12 Correct 2 ms 4300 KB Output is correct
13 Correct 2 ms 4300 KB Output is correct
14 Correct 2 ms 4300 KB Output is correct
15 Correct 2 ms 4300 KB Output is correct
16 Correct 2 ms 4300 KB Output is correct
17 Correct 2 ms 4300 KB Output is correct
18 Correct 2 ms 4288 KB Output is correct
19 Correct 2 ms 4300 KB Output is correct
20 Correct 2 ms 4300 KB Output is correct
21 Correct 2 ms 4300 KB Output is correct
22 Correct 2 ms 4300 KB Output is correct
23 Correct 2 ms 4300 KB Output is correct
24 Correct 2 ms 4300 KB Output is correct
25 Correct 2 ms 4300 KB Output is correct
26 Correct 3 ms 4428 KB Output is correct
27 Correct 2 ms 4428 KB Output is correct
28 Correct 2 ms 4360 KB Output is correct
29 Correct 2 ms 4300 KB Output is correct
30 Correct 3 ms 4300 KB Output is correct
31 Correct 3 ms 4348 KB Output is correct
32 Correct 4 ms 4428 KB Output is correct
33 Correct 3 ms 4428 KB Output is correct
34 Correct 3 ms 4300 KB Output is correct
35 Correct 2 ms 4300 KB Output is correct
36 Correct 3 ms 4300 KB Output is correct
37 Correct 2 ms 4428 KB Output is correct
38 Correct 2 ms 4300 KB Output is correct
39 Correct 2 ms 4300 KB Output is correct
40 Correct 3 ms 4300 KB Output is correct
41 Correct 2 ms 4300 KB Output is correct
42 Correct 3 ms 4300 KB Output is correct
43 Correct 3 ms 4300 KB Output is correct
44 Correct 3 ms 4300 KB Output is correct
45 Correct 3 ms 4300 KB Output is correct
46 Correct 2 ms 4300 KB Output is correct
47 Correct 2 ms 4300 KB Output is correct
48 Correct 2 ms 4300 KB Output is correct
49 Correct 2 ms 4300 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4300 KB Output is correct
2 Correct 2 ms 4300 KB Output is correct
3 Correct 2 ms 4300 KB Output is correct
4 Correct 2 ms 4300 KB Output is correct
5 Correct 2 ms 4300 KB Output is correct
6 Correct 2 ms 4300 KB Output is correct
7 Correct 3 ms 4300 KB Output is correct
8 Correct 2 ms 4300 KB Output is correct
9 Correct 3 ms 4300 KB Output is correct
10 Correct 2 ms 4300 KB Output is correct
11 Correct 2 ms 4300 KB Output is correct
12 Correct 2 ms 4300 KB Output is correct
13 Correct 2 ms 4300 KB Output is correct
14 Correct 2 ms 4300 KB Output is correct
15 Correct 2 ms 4300 KB Output is correct
16 Correct 2 ms 4300 KB Output is correct
17 Correct 2 ms 4300 KB Output is correct
18 Correct 2 ms 4288 KB Output is correct
19 Correct 2 ms 4300 KB Output is correct
20 Correct 2 ms 4300 KB Output is correct
21 Correct 2 ms 4300 KB Output is correct
22 Correct 2 ms 4300 KB Output is correct
23 Correct 2 ms 4300 KB Output is correct
24 Correct 2 ms 4300 KB Output is correct
25 Correct 2 ms 4300 KB Output is correct
26 Correct 3 ms 4428 KB Output is correct
27 Correct 2 ms 4428 KB Output is correct
28 Correct 2 ms 4360 KB Output is correct
29 Correct 2 ms 4300 KB Output is correct
30 Correct 3 ms 4300 KB Output is correct
31 Correct 3 ms 4348 KB Output is correct
32 Correct 4 ms 4428 KB Output is correct
33 Correct 3 ms 4428 KB Output is correct
34 Correct 3 ms 4300 KB Output is correct
35 Correct 2 ms 4300 KB Output is correct
36 Correct 3 ms 4300 KB Output is correct
37 Correct 2 ms 4428 KB Output is correct
38 Correct 2 ms 4300 KB Output is correct
39 Correct 2 ms 4300 KB Output is correct
40 Correct 3 ms 4300 KB Output is correct
41 Correct 2 ms 4300 KB Output is correct
42 Correct 3 ms 4300 KB Output is correct
43 Correct 3 ms 4300 KB Output is correct
44 Correct 3 ms 4300 KB Output is correct
45 Correct 3 ms 4300 KB Output is correct
46 Correct 2 ms 4300 KB Output is correct
47 Correct 2 ms 4300 KB Output is correct
48 Correct 2 ms 4300 KB Output is correct
49 Correct 2 ms 4300 KB Output is correct
50 Correct 6 ms 4556 KB Output is correct
51 Correct 5 ms 4556 KB Output is correct
52 Correct 5 ms 4556 KB Output is correct
53 Correct 5 ms 4556 KB Output is correct
54 Correct 3 ms 4428 KB Output is correct
55 Correct 7 ms 4692 KB Output is correct
56 Correct 7 ms 4616 KB Output is correct
57 Correct 7 ms 4568 KB Output is correct
58 Correct 3 ms 4300 KB Output is correct
59 Correct 4 ms 4300 KB Output is correct
60 Correct 5 ms 4428 KB Output is correct
61 Correct 6 ms 4556 KB Output is correct
62 Correct 3 ms 4428 KB Output is correct
63 Correct 3 ms 4428 KB Output is correct
64 Correct 4 ms 4300 KB Output is correct
65 Correct 5 ms 4428 KB Output is correct
66 Correct 3 ms 4300 KB Output is correct
67 Correct 3 ms 4300 KB Output is correct
68 Correct 4 ms 4300 KB Output is correct
69 Correct 2 ms 4300 KB Output is correct
70 Correct 4 ms 4428 KB Output is correct

Subtask #4
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4300 KB Output is correct
2 Correct 2 ms 4300 KB Output is correct
3 Correct 2 ms 4300 KB Output is correct
4 Correct 2 ms 4300 KB Output is correct
5 Correct 2 ms 4300 KB Output is correct
6 Correct 2 ms 4300 KB Output is correct
7 Correct 3 ms 4300 KB Output is correct
8 Correct 2 ms 4300 KB Output is correct
9 Correct 3 ms 4300 KB Output is correct
10 Correct 2 ms 4300 KB Output is correct
11 Correct 2 ms 4300 KB Output is correct
12 Correct 2 ms 4300 KB Output is correct
13 Correct 2 ms 4300 KB Output is correct
14 Correct 2 ms 4300 KB Output is correct
15 Correct 2 ms 4300 KB Output is correct
16 Correct 2 ms 4300 KB Output is correct
17 Correct 2 ms 4300 KB Output is correct
18 Correct 2 ms 4288 KB Output is correct
19 Correct 2 ms 4300 KB Output is correct
20 Correct 2 ms 4300 KB Output is correct
21 Correct 2 ms 4300 KB Output is correct
22 Correct 2 ms 4300 KB Output is correct
23 Correct 2 ms 4300 KB Output is correct
24 Correct 2 ms 4300 KB Output is correct
25 Correct 2 ms 4300 KB Output is correct
26 Correct 3 ms 4428 KB Output is correct
27 Correct 2 ms 4428 KB Output is correct
28 Correct 2 ms 4360 KB Output is correct
29 Correct 2 ms 4300 KB Output is correct
30 Correct 3 ms 4300 KB Output is correct
31 Correct 3 ms 4348 KB Output is correct
32 Correct 4 ms 4428 KB Output is correct
33 Correct 3 ms 4428 KB Output is correct
34 Correct 3 ms 4300 KB Output is correct
35 Correct 2 ms 4300 KB Output is correct
36 Correct 3 ms 4300 KB Output is correct
37 Correct 2 ms 4428 KB Output is correct
38 Correct 2 ms 4300 KB Output is correct
39 Correct 2 ms 4300 KB Output is correct
40 Correct 3 ms 4300 KB Output is correct
41 Correct 2 ms 4300 KB Output is correct
42 Correct 3 ms 4300 KB Output is correct
43 Correct 3 ms 4300 KB Output is correct
44 Correct 3 ms 4300 KB Output is correct
45 Correct 3 ms 4300 KB Output is correct
46 Correct 2 ms 4300 KB Output is correct
47 Correct 2 ms 4300 KB Output is correct
48 Correct 2 ms 4300 KB Output is correct
49 Correct 2 ms 4300 KB Output is correct
50 Correct 6 ms 4556 KB Output is correct
51 Correct 5 ms 4556 KB Output is correct
52 Correct 5 ms 4556 KB Output is correct
53 Correct 5 ms 4556 KB Output is correct
54 Correct 3 ms 4428 KB Output is correct
55 Correct 7 ms 4692 KB Output is correct
56 Correct 7 ms 4616 KB Output is correct
57 Correct 7 ms 4568 KB Output is correct
58 Correct 3 ms 4300 KB Output is correct
59 Correct 4 ms 4300 KB Output is correct
60 Correct 5 ms 4428 KB Output is correct
61 Correct 6 ms 4556 KB Output is correct
62 Correct 3 ms 4428 KB Output is correct
63 Correct 3 ms 4428 KB Output is correct
64 Correct 4 ms 4300 KB Output is correct
65 Correct 5 ms 4428 KB Output is correct
66 Correct 3 ms 4300 KB Output is correct
67 Correct 3 ms 4300 KB Output is correct
68 Correct 4 ms 4300 KB Output is correct
69 Correct 2 ms 4300 KB Output is correct
70 Correct 4 ms 4428 KB Output is correct
71 Correct 1256 ms 36664 KB Output is correct
72 Correct 807 ms 30140 KB Output is correct
73 Correct 1171 ms 37220 KB Output is correct
74 Correct 573 ms 19784 KB Output is correct
75 Correct 744 ms 30112 KB Output is correct
76 Correct 2343 ms 67000 KB Output is correct
77 Correct 2545 ms 67744 KB Output is correct
78 Correct 1871 ms 60572 KB Output is correct
79 Correct 1907 ms 61612 KB Output is correct
80 Correct 503 ms 4380 KB Output is correct
81 Correct 496 ms 4376 KB Output is correct
82 Correct 356 ms 4788 KB Output is correct
83 Correct 507 ms 10840 KB Output is correct
84 Correct 293 ms 11624 KB Output is correct
85 Correct 533 ms 5912 KB Output is correct
86 Correct 529 ms 4380 KB Output is correct
87 Correct 695 ms 10836 KB Output is correct
88 Correct 500 ms 4380 KB Output is correct
89 Correct 518 ms 4388 KB Output is correct
90 Correct 525 ms 4380 KB Output is correct
91 Correct 555 ms 5260 KB Output is correct
92 Correct 668 ms 11072 KB Output is correct

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4300 KB Output is correct
2 Correct 2 ms 4300 KB Output is correct
3 Correct 2 ms 4300 KB Output is correct
4 Correct 2 ms 4300 KB Output is correct
5 Correct 2 ms 4300 KB Output is correct
6 Correct 2 ms 4300 KB Output is correct
7 Correct 3 ms 4300 KB Output is correct
8 Correct 2 ms 4300 KB Output is correct
9 Correct 3 ms 4300 KB Output is correct
10 Correct 2 ms 4300 KB Output is correct
11 Correct 2 ms 4300 KB Output is correct
12 Correct 2 ms 4300 KB Output is correct
13 Correct 2 ms 4300 KB Output is correct
14 Correct 2 ms 4300 KB Output is correct
15 Correct 2 ms 4300 KB Output is correct
16 Correct 2 ms 4300 KB Output is correct
17 Correct 2 ms 4300 KB Output is correct
18 Correct 2 ms 4288 KB Output is correct
19 Correct 2 ms 4300 KB Output is correct
20 Correct 2 ms 4300 KB Output is correct
21 Correct 2 ms 4300 KB Output is correct
22 Correct 2 ms 4300 KB Output is correct
23 Correct 2 ms 4300 KB Output is correct
24 Correct 2 ms 4300 KB Output is correct
25 Correct 2 ms 4300 KB Output is correct
26 Correct 3 ms 4428 KB Output is correct
27 Correct 2 ms 4428 KB Output is correct
28 Correct 2 ms 4360 KB Output is correct
29 Correct 2 ms 4300 KB Output is correct
30 Correct 3 ms 4300 KB Output is correct
31 Correct 3 ms 4348 KB Output is correct
32 Correct 4 ms 4428 KB Output is correct
33 Correct 3 ms 4428 KB Output is correct
34 Correct 3 ms 4300 KB Output is correct
35 Correct 2 ms 4300 KB Output is correct
36 Correct 3 ms 4300 KB Output is correct
37 Correct 2 ms 4428 KB Output is correct
38 Correct 2 ms 4300 KB Output is correct
39 Correct 2 ms 4300 KB Output is correct
40 Correct 3 ms 4300 KB Output is correct
41 Correct 2 ms 4300 KB Output is correct
42 Correct 3 ms 4300 KB Output is correct
43 Correct 3 ms 4300 KB Output is correct
44 Correct 3 ms 4300 KB Output is correct
45 Correct 3 ms 4300 KB Output is correct
46 Correct 2 ms 4300 KB Output is correct
47 Correct 2 ms 4300 KB Output is correct
48 Correct 2 ms 4300 KB Output is correct
49 Correct 2 ms 4300 KB Output is correct
50 Correct 6 ms 4556 KB Output is correct
51 Correct 5 ms 4556 KB Output is correct
52 Correct 5 ms 4556 KB Output is correct
53 Correct 5 ms 4556 KB Output is correct
54 Correct 3 ms 4428 KB Output is correct
55 Correct 7 ms 4692 KB Output is correct
56 Correct 7 ms 4616 KB Output is correct
57 Correct 7 ms 4568 KB Output is correct
58 Correct 3 ms 4300 KB Output is correct
59 Correct 4 ms 4300 KB Output is correct
60 Correct 5 ms 4428 KB Output is correct
61 Correct 6 ms 4556 KB Output is correct
62 Correct 3 ms 4428 KB Output is correct
63 Correct 3 ms 4428 KB Output is correct
64 Correct 4 ms 4300 KB Output is correct
65 Correct 5 ms 4428 KB Output is correct
66 Correct 3 ms 4300 KB Output is correct
67 Correct 3 ms 4300 KB Output is correct
68 Correct 4 ms 4300 KB Output is correct
69 Correct 2 ms 4300 KB Output is correct
70 Correct 4 ms 4428 KB Output is correct
71 Correct 1256 ms 36664 KB Output is correct
72 Correct 807 ms 30140 KB Output is correct
73 Correct 1171 ms 37220 KB Output is correct
74 Correct 573 ms 19784 KB Output is correct
75 Correct 744 ms 30112 KB Output is correct
76 Correct 2343 ms 67000 KB Output is correct
77 Correct 2545 ms 67744 KB Output is correct
78 Correct 1871 ms 60572 KB Output is correct
79 Correct 1907 ms 61612 KB Output is correct
80 Correct 503 ms 4380 KB Output is correct
81 Correct 496 ms 4376 KB Output is correct
82 Correct 356 ms 4788 KB Output is correct
83 Correct 507 ms 10840 KB Output is correct
84 Correct 293 ms 11624 KB Output is correct
85 Correct 533 ms 5912 KB Output is correct
86 Correct 529 ms 4380 KB Output is correct
87 Correct 695 ms 10836 KB Output is correct
88 Correct 500 ms 4380 KB Output is correct
89 Correct 518 ms 4388 KB Output is correct
90 Correct 525 ms 4380 KB Output is correct
91 Correct 555 ms 5260 KB Output is correct
92 Correct 668 ms 11072 KB Output is correct
93 Execution timed out 5053 ms 30924 KB Time limit exceeded
94 Halted 0 ms 0 KB -